阅读说明：本技术 警示牌防风固定装置 (Windproof fixing device for warning board ) 是由 赵健 黄巍 苏东升 郝瑞涛 辛斌 赵雨 于 2020-12-21 设计创作，主要内容包括：本发明涉及一种警示牌防风固定装置,包括：底座；装设于该底座上的立管；连接于该立管顶部的旋转组件,该旋转组件包括插设于该立管顶部并供该警示牌连接的转轴、间隔套设于该转轴的上轴承和下轴承,该上轴承和该下轴承均与该立管连接；位于该上轴承和该下轴承之间且具有弹性的缓冲复位件,该缓冲复位件的第一端与该立管的内壁固定,该缓冲复位件的第二端与该转轴的外壁固定。本发明的固定装置能够使警示牌随风自动转至与风的气流方向一致,从而使得警示牌始终保持最小的受风面积,免遭风力破坏。同时,通过缓冲复位件的缓冲和复位,避免该警示牌在较大风力下因剧烈转动而遭到离心力破坏,同时保证该警示牌处于正确展示方位。(The invention relates to a windproof fixing device for a warning board, which comprises: a base; a vertical pipe arranged on the base; the rotating assembly is connected to the top of the vertical pipe and comprises a rotating shaft, an upper bearing and a lower bearing, the rotating shaft is inserted into the top of the vertical pipe and is connected with the warning board, and the upper bearing and the lower bearing are both connected with the vertical pipe; and the elastic buffering resetting piece is positioned between the upper bearing and the lower bearing, the first end of the buffering resetting piece is fixed with the inner wall of the vertical pipe, and the second end of the buffering resetting piece is fixed with the outer wall of the rotating shaft. The fixing device can enable the warning board to automatically rotate to be consistent with the airflow direction of wind along with the wind, so that the warning board can always keep the minimum wind area and is prevented from being damaged by the wind. Simultaneously, through the buffering of buffering piece that resets and reset, avoid this warning sign to suffer centrifugal force to destroy because of violent rotation under great wind-force, guarantee simultaneously that this warning sign is in correct show position.)

1. The utility model provides a fixing device is prevent wind to warning sign which characterized in that includes:

a base;

a vertical pipe arranged on the base;

the rotating assembly is connected to the top of the vertical pipe and comprises a rotating shaft, an upper bearing and a lower bearing, the rotating shaft is inserted into the top of the vertical pipe and is connected with the warning board, and the upper bearing and the lower bearing are sleeved on the rotating shaft at intervals and are connected with the vertical pipe;

the buffering that is located the upper bearing with between the lower bearing and have elastic buffering piece that resets, the buffering reset the first end of piece with the inner wall of riser is fixed, the buffering reset the second end of piece with the outer wall of pivot is fixed.

2. The warning sign wind-resistant fixing device as claimed in claim 1, wherein the buffering return member is a coil spring wound around the rotation shaft, and an enlarged cavity for accommodating the coil spring is formed at a position of the stand pipe corresponding to the coil spring.

3. The windproof fixing device for the warning board according to claim 1, characterized in that an expansion plug is arranged in the vertical pipe, the top end of the expansion plug is abutted against the bottom end of the lower bearing, and a groove for accommodating the bottom end of the rotating shaft is arranged at the top end of the expansion plug.

4. The windproof fixing device for the warning board according to claim 3, characterized in that the bottom of the expansion plug is provided with a cone-shaped groove communicated with the groove, the plug in the cone-shaped groove is provided with a cone-shaped nut matched with the bottom of the cone-shaped groove, a bolt passes through the cone-shaped groove, the nut end of the bolt is blocked at the communication position of the groove and the cone-shaped groove, and the screw end of the bolt is screwed and connected with the cone-shaped nut.

5. The windproof fixing device for the warning board according to claim 1, wherein the rotating shaft is sleeved with a sleeve, the top end of the sleeve abuts against the upper bearing, the bottom end of the sleeve abuts against the lower bearing, and the second end of the buffering reset member passes through the sleeve and then is fixed to the outer wall of the rotating shaft.

6. The windproof fixing device for a warning board according to claim 1, wherein the bottom end of the rotating shaft is provided with a first limit catch for preventing the rotating shaft from sliding out downwards, and the top end of the rotating shaft is provided with a second limit catch for preventing the rotating shaft from sliding out upwards.

7. The warning sign wind-break fixing device as claimed in claim 6, wherein a third stopper is provided on the stand pipe at a position corresponding to the top end of the upper bearing for preventing the upper bearing from coming off upward.

8. A warning sign wind shield fixing device as claimed in claim 1, wherein said warning sign is mounted offset from said shaft.

9. The windproof fixing device for a warning board according to claim 8, wherein a holder is coupled to the top end of the shaft, a T-shaped plate is inserted into the holder, and the warning board is mounted on the T-shaped plate in an offset manner.

10. The windproof fixing device for the warning board as claimed in claim 1, wherein the bottom of the base is provided with a ground nail for fixing, and the top of the base is connected with a sleeve seat for sleeving the vertical pipe.

Technical Field

The invention relates to the field of engineering information devices, in particular to a windproof fixing device for a warning board.

Background

The healthy development of a city, the inexhaustible drainage system, electric power system, information transmission and the like exist independently, but the 'channels' of the cities are planned, arranged and managed uniformly, namely, the city underground comprehensive pipe gallery, the important facilities are concentrated in the underground comprehensive pipe gallery, and the well mouth is maintained, so that the complex system engineering is applicable, the stability and maintainability of the city infrastructure are greatly improved, and the city is based on the foundation of the city.

The urban underground comprehensive pipe gallery is generally constructed in an open cut mode, namely channels are excavated in the open air, when the channels reach the designed depth, the pipe gallery is erected from bottom to top, soil sealing and backfilling are carried out after the channels are constructed, the depth of a pit and a channel of an open cut construction project is deep and has high danger, complete and complete announcement facilities must be established according to relevant regulations, particularly, a construction site of the project is close to a residential area or a commercial area, and effective warning and announcement are necessary.

Disclosure of Invention

In order to solve the problems, the invention provides a windproof fixing device for a warning board, which solves the problem that the warning board in the traditional construction is easy to topple or shift in the wind so as to lose the functions of announcement and warning.

The invention is realized by the following scheme: a windproof fixing device for a warning board comprises:

a base;

a vertical pipe arranged on the base;

the rotating assembly is connected to the top of the vertical pipe and comprises a rotating shaft, an upper bearing and a lower bearing, the rotating shaft is inserted into the top of the vertical pipe and is connected with the warning board, and the upper bearing and the lower bearing are sleeved on the rotating shaft at intervals and are connected with the vertical pipe;

the buffering that is located the upper bearing with between the lower bearing and have elastic buffering piece that resets, the buffering reset the first end of piece with the inner wall of riser is fixed, the buffering reset the second end of piece with the outer wall of pivot is fixed.

According to the invention, the rotating assembly and the vertical pipe are matched, so that the warning board can automatically rotate to be consistent with the airflow direction of wind along with the wind in a wind environment, and the warning board can always keep the minimum wind area and is prevented from being damaged by wind power. Simultaneously, through the setting of buffering piece that resets, on the one hand provides the buffering for the passive rotation of warning sign, has avoided the warning sign to suffer centrifugal force to destroy because of violent rotation under great wind-force, and on the other hand can store the elasticity when the warning sign is passive to be rotated and enable, resets the warning sign when wind-force weakens or stops, has guaranteed that the notice information on the warning sign is in correct show position.

The windproof fixing device for the warning board is further improved in that the buffering reset piece is a coil spring wound on the rotating shaft, and an expansion cavity for accommodating the coil spring is formed in the position, corresponding to the coil spring, of the vertical pipe.

The windproof fixing device for the warning board is further improved in that an expansion plug is arranged in the vertical pipe, the top end of the expansion plug abuts against the bottom end of the lower bearing, and a groove used for containing the bottom end of the rotating shaft is formed in the top end of the expansion plug.

The windproof fixing device for the warning board is further improved in that a conical groove communicated with the groove is formed in the bottom of the expansion plug, a conical nut matched with the bottom of the conical groove is arranged in the conical groove in a plug mode, a bolt penetrates through the conical groove, the nut end of the bolt is clamped at the communication position of the groove and the conical groove, and the screw rod end of the bolt is connected with the conical nut in a screwing mode.

The windproof fixing device for the warning board is further improved in that a sleeve is sleeved on the rotating shaft, the top end of the sleeve abuts against the upper bearing, the bottom end of the sleeve abuts against the lower bearing, and the second end of the buffering reset piece penetrates through the sleeve and then is fixed with the outer wall of the rotating shaft.

The windproof fixing device for the warning board is further improved in that a first limiting clamping piece for preventing the rotating shaft from sliding downwards is arranged at the bottom end of the rotating shaft, and a second limiting clamping piece for preventing the rotating shaft from sliding upwards is arranged at the top end of the rotating shaft.

The windproof fixing device for the warning board is further improved in that a third limiting piece for preventing the upper bearing from falling off upwards is arranged at the position, corresponding to the top end of the upper bearing, on the vertical pipe.

The windproof fixing device for the warning board is further improved in that the warning board is installed on the rotating shaft in an offset mode.

The windproof fixing device for the warning board is further improved in that the top end of the rotating shaft is sleeved with a clamping seat, a T-shaped plate is inserted into the clamping seat, and the warning board is installed on the T-shaped plate in an offset mode.

The windproof fixing device for the warning board is further improved in that a ground nail for fixing is arranged at the bottom of the base, and a sleeve seat for sleeving the vertical pipe is connected to the top of the base.

Drawings

FIG. 1 shows a front view of the windshield fixing device of the warning sign of the present invention.

Fig. 2 shows an enlarged view of the structure of fig. 1.

Figure 3 shows a structural side view of the cartridge of the present invention.

Fig. 4 shows a cross-sectional view of the internal structure of fig. 1 of the present invention.

Fig. 5 shows an enlarged view of the structure of fig. 4 at B.

Figure 6 shows a cross-sectional view D-D of figure 5 of the present invention.

Figure 7 shows a cross-sectional view of C-C of figure 4 in accordance with the present invention.

Detailed Description

In order to solve the problems that the traditional warning board is simple and unstable in structure and prone to toppling and shifting in the presence of wind, so that the notice and warning effects are lost, the invention provides the windproof fixing device for the warning board, the warning board can rotate along with the wind and has a reset function, toppling and shifting are avoided, and the correct warning direction can be ensured.

The windproof fixing device for the warning board is further described with reference to the accompanying drawings.

Referring to FIGS. 1, 4 and 5, FIG. 1 shows a front view of the windproof fixing device for a warning sign of the present invention; FIG. 4 shows a cross-sectional view of the internal structure of FIG. 1 of the present invention; fig. 5 shows an enlarged view of the structure of fig. 4 at B.

A windproof fixing device for a warning board comprises:

a base 10;

a stand pipe 20 installed on the base 10;

the rotating assembly is connected to the top of the stand pipe 20 and comprises a rotating shaft 31 inserted into the top of the stand pipe 20 and connected with the warning board 50, an upper bearing 32 and a lower bearing 33 which are sleeved on the rotating shaft 31 at intervals, and both the upper bearing 32 and the lower bearing 33 and the stand pipe 20 are installed in the stand pipe 20 in an interference fit manner;

and an elastic buffering reset piece 34 is positioned between the upper bearing 32 and the lower bearing 33, a first end of the buffering reset piece 34 is fixed with the inner wall of the stand pipe 20, and a second end of the buffering reset piece 34 is fixed with the outer wall of the rotating shaft 31.

Specifically, the warning board 50 includes a rectangular warning frame and an advertisement page or a warning page covering the warning frame, and in order to increase the structural strength of the warning board 50, in the present embodiment, a reinforcing strip 51 is installed between the inner opposite corners of the warning frame in a matching manner, so as to form a stable triangular support.

When the fixing device is used, the warning board 50 is firstly installed on the top of the rotating shaft 31, then the base 10 is placed at a position where a warning is needed on site, such as the soil of a construction site, the ground nail 11 is penetrated through the base 10 and driven into the soil, finally the stand pipe 20 is installed on the base 10, and the orientation of the warning board 50 is adjusted. When strong wind is applied to the site, the warning board 50 rotates to be consistent with the direction of the airflow through the combined action of the rotating shaft 31, the upper bearing 32 and the lower bearing 33 under the action of the airflow, so that the warning board 50 is finally in a static and stable state in the airflow, and the wind area of the warning board 50 is at the lowest to avoid the damage of the wind. In addition, through the setting of this buffering piece 34 that resets, on the one hand provides the buffering, avoids this warning sign 50 to suffer centrifugal force and destroy because of violent rotation, and on the other hand, when wind-force weakens or stops, this warning sign 50 returns to the normal position gradually through the elasticity reset function of this buffering piece 34, has guaranteed that bulletin or warning information are finally in correct show position.

As a preferred embodiment, in order to increase the buffering capacity and the elastic restoring capacity of the buffering restoring member 34, the present embodiment adopts a coil spring as the buffering restoring member 34, an enlarged cavity 21 for accommodating the coil spring is formed at a position of the stand pipe 20 corresponding to the coil spring, the coil spring is wound outside the rotating shaft 31, a first end side of the coil spring is fixed to an inner wall of the stand pipe 20, and a second end side of the coil spring is fixed to an outer wall of the rotating shaft 31.

In a preferred embodiment, the expansion plug 22 is disposed in the vertical pipe 20, the top end of the expansion plug 22 abuts against the bottom end of the lower bearing 33, and the top end of the expansion plug 22 is disposed with a groove 221 for receiving the bottom end of the rotating shaft 31. By the arrangement of the expansion plug 22, the rotating shaft 31 and the lower bearing 33 are prevented from sliding downwards due to centrifugal force, and the stability of the rotating assembly is ensured.

In a preferred embodiment, the bottom of the expansion plug 22 is provided with a cone-shaped groove 222 communicated with the groove 221, the cone-shaped groove 222 is internally provided with a cone-shaped nut 223 matched with the bottom of the cone-shaped groove 222, a bolt 224 passes through the cone-shaped groove 222, the nut end of the bolt 224 is blocked at the communication position of the groove 221 and the cone-shaped groove 222, and the screw end of the bolt 224 is screwed with the cone-shaped nut 223.

Specifically, the expansion plug 22 is installed prior to the installation of the rotating component, when the expansion plug 22 is inserted, the bolt 224 (for the convenience of screwing, a socket head cap bolt is preferably adopted in the embodiment) is firstly inserted into the tapered slot 222 with the nut end on the upper side and the screw end on the lower side, then the tapered plug 223 is screwed into the tapered slot 222, so that the tapered plug 223 slightly presses the expansion plug 22 to generate an initial static friction force therebetween, then the expansion plug 22 is inserted into the specified position of the riser 20 (which is required to be adapted to the position for installing the rotating component), then the bolt 224 is screwed by a socket head wrench, the tapered plug 223 is pulled in the tapered slot 222 by the bolt 224, so that the expansion plug 22 is pressed and expanded outwards, and is pressed and fixed with the inner wall of the riser 20.

Further, in order to enable the expansion plug 22 to be tightly squeezed with the inner wall of the stand pipe 20 and not affect the propping force to the lower bearing 33, the side wall of the expansion plug 22 is preferably provided with a ring-shaped annular groove in the present embodiment.

As a preferred embodiment, in conjunction with FIG. 6, FIG. 6 shows a cross-sectional view D-D of FIG. 5 in accordance with the present invention. A sleeve 35 is sleeved on the rotating shaft 31, a top end of the sleeve 35 abuts against the upper bearing 32, a bottom end of the sleeve 35 abuts against the lower bearing 33, and a second end of the buffering reset piece 34 penetrates through the sleeve 35 and then is fixed with an outer wall of the rotating shaft 31.

Specifically, the sleeve 35 is slidably sleeved on the rotating shaft 31, and the sleeve 35 is disposed to prevent the upper bearing 32 and the lower bearing 33 from moving relative to each other without affecting the rotation of the rotating shaft 31, thereby ensuring the stability of the rotating assembly.

As a preferred embodiment, the bottom end of the rotating shaft 31 is provided with a first limit catch 36 for preventing the rotating shaft 31 from sliding out downwards, and the top end of the rotating shaft 31 is provided with a second limit catch 37 for preventing the rotating shaft 31 from sliding out upwards.

Further, a third limiting member 38 is disposed on the vertical tube 20 at a position corresponding to the top end of the upper bearing 32 to prevent the upper bearing 32 from coming off upward.

Specifically, the circumferential side wall of the rotating shaft 31 is respectively provided with a notch for the first limiting clamping piece 36 and the second limiting clamping piece 37 to be embedded, one end of the first limiting clamping piece 36 and the second limiting clamping piece 37 is embedded in the corresponding notch, and the other end extends radially outwards along the rotating shaft 31. A notch for embedding the third limiting clamping piece 38 is formed in the inner circumferential wall of the stand pipe 20, one end of the third limiting clamping piece 38 is embedded with the corresponding notch, the other end of the third limiting clamping piece 38 extends inwards along the radial direction of the stand pipe 20, furthermore, a connecting sleeve is sleeved at a position, corresponding to the position between the second limiting clamping piece 37 and the third limiting clamping piece 38, of the top end of the rotating shaft 31, and the extending ends of the second limiting clamping piece 37 and the third limiting clamping piece 38 are fixed with the connecting sleeve.

When the rotating shaft 31 is subjected to a centrifugal force and tends to be pulled out upwards, the first limiting piece 36, the lower bearing 33, the sleeve 35, the upper bearing 32 and the third limiting piece 38 act on the vertical pipe 20 together to prevent the rotating shaft 31 from moving upwards, and when the rotating shaft 31 has a downward pulling-out tendency, the second limiting piece 37, the upper bearing 32, the sleeve 35, the lower bearing 33 and the expansion plug 22 act on the vertical pipe 20 together to prevent the rotating shaft 31 from pulling out downwards.

As a preferred embodiment, in conjunction with FIGS. 2 and 3, FIG. 2 shows an enlarged view of the structure of FIG. 1 at A; figure 3 shows a structural side view of the cartridge of the present invention. The top end of the rotating shaft 31 is sleeved with a clamping seat 41, a T-shaped plate 42 is inserted into the clamping seat 41, and the warning board 50 is installed on the T-shaped plate 42 in an offset manner.

Specifically, the bottom of the holder 41 is sleeved with the top end of the rotating shaft 31, a clamping groove 43 is formed in the top of the holder 41, a vertical plate of the T-shaped plate 42 is inserted into the clamping groove 43 and is connected to the holder 41 through a bolt, and a horizontal plate of the T-shaped plate 42 is connected to the bottom of the warning board 50 through a bolt in an offset manner. Due to the offset installation of the warning board 50 relative to the holder 41 (i.e., the rotating shaft 31), the warning board 50 can rotate to the same direction as the airflow more quickly and finally be in a static and stable state in the airflow, so that the wind area of the warning board 50 is always at the lowest level and is prevented from being damaged by wind.

As a preferred embodiment, in conjunction with FIG. 7, FIG. 7 shows a cross-sectional view of C-C of FIG. 4 in accordance with the present invention. The bottom of the base 10 is provided with a ground nail 11 for fixing, and the top of the base 10 is connected with a sleeve seat 12 for sleeving the stand pipe 20.

Specifically, the base 10 is an enlarged-diameter annular plate, a T-shaped hole is formed in the middle of the annular plate, the ground nail 11 penetrates through the T-shaped hole and forms an anchoring section below the base 10, and the nail cap of the ground nail 11 is a flat cap and is completely embedded in the T-shaped hole, so that the top surface of the flat cap is flush with the top surface of the base 10. The socket 12 includes a socket portion into which the stand pipe 20 is inserted and an annular mounting portion centered on a bottom end of the socket portion, the socket portion corresponds to the T-shaped hole, a plurality of bolts 121 are circumferentially installed at intervals on the mounting portion, and a threaded hole for screwing the bolt 121 is formed in a position corresponding to each bolt 121 on the base 10. The sleeve mount 12 is fastened to the base 10 by bolts 121 and threaded holes.

Through above-mentioned base 10 structure, increased this fixing device and the area of contact of installation basis, made this fixing device have good holding power, simultaneously, cooperation ground nail 11's setting can effectively avoid toppling over and shifting of this fixing device, and then has improved this warning sign's windproof performance.

While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.